michael@0: // Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
michael@0: // Copyright 2012  Mozilla Corporation. All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * @description Tests that language tags are canonicalized in return values.
michael@0:  * @author Norbert Lindenberg
michael@0:  */
michael@0: 
michael@0: $INCLUDE("testIntl.js");
michael@0: 
michael@0: var canonicalizedTags = {
michael@0:     "de": ["de"],
michael@0:     "de-DE": ["de-DE", "de"],
michael@0:     "DE-de": ["de-DE", "de"],
michael@0:     "cmn": ["cmn"],
michael@0:     "CMN-hANS": ["cmn-Hans", "cmn"],
michael@0:     "cmn-hans-cn": ["cmn-Hans-CN", "cmn-Hans", "cmn"],
michael@0:     "es-419": ["es-419", "es"],
michael@0:     "es-419-u-nu-latn": ["es-419-u-nu-latn", "es-419", "es", "es-u-nu-latn"],
michael@0:     // -u-ca is incomplete, so it will not show up in resolvedOptions().locale
michael@0:     "cmn-hans-cn-u-ca-t-ca-x-t-u": ["cmn-Hans-CN-t-ca-u-ca-x-t-u", "cmn-Hans-CN-t-ca-x-t-u", "cmn-Hans-CN-t-ca-x-t", "cmn-Hans-CN-t-ca", "cmn-Hans-CN", "cmn-Hans", "cmn"],
michael@0:     "enochian-enochian": ["enochian-enochian", "enochian"],
michael@0:     "de-gregory-u-ca-gregory": ["de-gregory-u-ca-gregory", "de-gregory", "de-u-ca-gregory", "de"],
michael@0:     "no-nyn": ["nn"],
michael@0:     "i-klingon": ["tlh"],
michael@0:     "sgn-GR": ["gss"],
michael@0:     "ji": ["yi"],
michael@0:     "de-DD": ["de-DE", "de"],
michael@0:     "zh-hak-CN": ["hak-CN", "hak"],
michael@0:     "sgn-ils": ["ils"],
michael@0:     "in": ["id"],
michael@0:     "x-foo": ["x-foo"]
michael@0: };
michael@0: 
michael@0: // make sure the data above is correct
michael@0: Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
michael@0:     canonicalizedTags[tag].forEach(function (canonicalTag) {
michael@0:         if (!isCanonicalizedStructurallyValidLanguageTag(canonicalTag)) {
michael@0:             $ERROR("Test data \"" + canonicalTag + "\" is not canonicalized and structurally valid language tag.");
michael@0:         }
michael@0:     });
michael@0: });
michael@0: 
michael@0: // now the actual test
michael@0: testWithIntlConstructors(function (Constructor) {
michael@0:     var defaultLocale = new Constructor().resolvedOptions().locale;
michael@0:     Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
michael@0:         // use lookup locale matcher to keep the set of possible return values predictable
michael@0: 
michael@0:         // Variant 1: construct an object and see whether its locale is canonicalized.
michael@0:         // In this variant, shortened forms or the default locale may be returned
michael@0:         var object = new Constructor([tag], {localeMatcher: "lookup"});
michael@0:         var locale = object.resolvedOptions().locale;
michael@0:         if (canonicalizedTags[tag].indexOf(locale) === -1 && locale !== defaultLocale) {
michael@0:             $ERROR("For " + tag + " got " + locale + "; expected one of " +
michael@0:                 canonicalizedTags[tag].join(", ") + ".");
michael@0:         }
michael@0:         
michael@0:         // Variant 2: get the supported locales. If the tag is supported, it should be returned canonicalized but unshortened
michael@0:         var supported = Constructor.supportedLocalesOf([tag]);
michael@0:         if (supported.length > 0 && supported[0] !== canonicalizedTags[tag][0]) {
michael@0:             $ERROR("For " + tag + " got " + supported[0] + "; expected " +
michael@0:                 canonicalizedTags[tag][0] + ".");
michael@0:         }            
michael@0:     });
michael@0:     return true;
michael@0: });
michael@0: